**pwl_approx_1d_test**,
a FORTRAN90 code which
calls pwl_approx_1d(), which
defines and evaluates a piecewise linear function, using NC "control points",
which approximates a set of ND data points (x(i),y(i)).

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

pwl_approx_1d, a FORTRAN90 code which approximates a set of data using a piecewise linear function.

- pwl_approx_1d_test.f90, a sample calling program.
- pwl_approx_1d_test.sh, runs all the tests.
- pwl_approx_1d_test.txt, the output file.